Question

has he staying in japan since years?
be
been
being ​

Answer 1

Answer:

Has he being staying in Japan since years

Hope it helps

Answer 2

He has been staying in Japan since how many years?

or

How many years has he been staying in Japan?

$\footnotesize\underline\mathsf\color{yellow}{Choose\: brainliest\: if\: it\: helped.}$